Added catch() on all loading functions and updated logo

.docs/deployment-helm.md

.docs/system-databases-data.md

...ain/java/at/tuwien/api/container/image/ImageBriefDto.java

...ositories/src/main/java/at/tuwien/mapper/StoreMapper.java

dbrepo-ui/components/SubsetToolbar.vue

dbrepo-ui/dbrepo.config.json

dbrepo-ui/nuxt.config.js

dbrepo-ui/package.json

dbrepo-ui/pages/database/_database_id/info.vue

...o-ui/pages/database/_database_id/query/_query_id/data.vue

...o-ui/pages/database/_database_id/query/_query_id/info.vue

dbrepo-ui/pages/database/_database_id/settings.vue

...o-ui/pages/database/_database_id/table/_table_id/data.vue

...ui/pages/database/_database_id/table/_table_id/import.vue

...o-ui/pages/database/_database_id/table/_table_id/info.vue

...ui/pages/database/_database_id/table/_table_id/schema.vue

dbrepo-ui/pages/database/_database_id/table/create.vue

dbrepo-ui/pages/database/_database_id/table/import.vue

dbrepo-ui/pages/index.vue

dbrepo-ui/pages/search/index.vue